[1]王茂华,汤庆华,姚 超,等.金属Ni 掺杂对中间相碳微球/ 石墨复合材料烧结性能的影响[J].常州大学学报(自然科学版),2010,(03):13-16.
　WANG Mao- hua,T ANG Qing- hua,YAO Chao,et al.Effect of Ni Dopant on the Sintering Behavior of MCMB/Graphite Composite[J].Journal of Changzhou University(Natural Science Edition),2010,(03):13-16.
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金属Ni 掺杂对中间相碳微球/ 石墨复合材料烧结性能的影响()
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常州大学学报(自然科学版)[ISSN:2095-0411/CN:32-1822/N]

卷:
期数:
2010年03期
页码:
13-16
栏目:
材料科学与工程
出版日期:
2010-09-25

文章信息/Info

Title:
Effect of Ni Dopant on the Sintering Behavior of MCMB/Graphite Composite
作者:
王茂华;  汤庆华;  姚 超;  浦琦伟
常州大学江苏省精细石油化工重点实验室, 江苏 常州 213164
Author(s):
WANG Mao- hua;  T ANG Qing- hua;  YAO Chao ;  PU Q i- w ei
Jiangsu Key Laboratory of Fine Petrochemical Engineering, Changzhou University, Changzhou 213164, China
关键词:
镍;  中间相碳微球;  复合材料;  烧结性能
Keywords:
Ni;  MCMB;  compo site;  sinter ing behavior
分类号:
T B 32; O 648
文献标志码:
A
摘要:
用液相球磨分散的方法, 制备中间相碳微球( MCMB) / 石墨复合材料。在1 200 e 真空烧结2 h 后, 详细研究了Ni 掺 杂量对材料的烧结性能, 电导率和弯曲强度的影响, 实验结果表明, 复合材料中Ni 掺杂量从0%增大到15%, 失重率从 19.2%减小为10.8%。和未掺杂Ni 的复合材料相比, 所有试样都具有较高的电导率和弯曲强度, Ni 掺杂量为15%时, 材料的 电导率为最大值212 S / cm, 弯曲强度为112.19 MPa, 当Ni 的掺杂百分含量为7%时, 复合材料的催化石墨化效果最好。
Abstract:
Liquid ball- milling dispersant method w as used to pr epare the N i- do ped compo site fr om mesocarbon micro beads ( MCMBs) and g raphite. Af ter sintering at 1 200 e in vacuum atmo sphere fo r tw o ho urs, the ef fect of N i concent rat ion o n sinter ing behavior, elect ric conduct ivity as w ell as bending st reng th of the compo site w as investig ated in detail. T he r esult s show ed that the mass lo ss o f composite decreased f rom 191 2% to 101 8% w hen the Ni concent rat ion in raw materials varied f rom 0 to 15% . Compared w ith undoped composite, the samples had high- electric co nduct iv ity and ex cellent bending str ength in al l cases. The elect ric conduct ivity achieved the max imum value o f 212 S/ cm, and the bending str ength of the composite w as o btained 1121 19 MPa for a co ncent ration of 15% Ni in raw materials. The cataly tic ef fect on g raphit izat ion for the compo site w as mo st effect iv e w hen the Ni co ncent rat io n w as set at 7% in raw materials.

参考文献/References:

[1] 邹彦文, 张杰, 贺俊1 质子交换膜燃料电池复合材料双极板的 研究[J] 1 新型炭材料, 2004, 19 (4) : 303- 307.
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备注/Memo

备注/Memo:
基金项目: 江苏省精细石油化工重点实验室开放课题( SCZ060591578) 作者简介: 王茂华( 1967- ) , 男, 江西玉山人, 副教授, 博士, 从事无机功能材料研究开发。
更新日期/Last Update: 2010-09-25